Hormones menstrual cycle
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Hormones & Menstrual Cycle. B5f. OBJECTIVES. Key Objective Describe the link between hormones & the menstrual cycle Outcomes Describe the main stages of the menstrual cycle and the reasons for such changes (D)

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Hormones & Menstrual Cycle

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Hormones menstrual cycle

Hormones & Menstrual Cycle

B5f


Objectives

OBJECTIVES

Key Objective

  • Describe the link between hormones & the menstrual cycle

    Outcomes

  • Describe the main stages of the menstrual cycle and the reasons for such changes (D)

  • Describe treatments for infertility to include: artificial insemination, use of FSH, ‘in vitro’ fertilisation (IVF), egg donation, surrogacy, ovary transplants (C)

  • Understand the control of the menstrual cycle by the hormones oestrogen, progesterone, FSH and LH (B)

  • Discuss the arguments for and against such infertility treatments (A)

  • Discuss the ethical issues raised by foetal screening (A*)


Starter

STARTER


Your task s

Your Task(s) …

  • In your groups of 4, you are going to work as 2 pairs to complete the following tasks;

    • Pair 1: Work through and complete the tasks on slides 5-7 (slides 8-10 are there to help if needed)

    • Pair 2: Work through and complete the tasks on slide 11 (slide 12 provides more information)

  • These need to be finished and either handed to me or e-mailed to me by the end of the lesson.


Grade d

Grade D

Use the internet and videos from websites such as the following to answer the questions:msnbc.com/news/wld/graphics/menstrual_cycle_dw2.swf

Explain the following words:

  • Menstruation

  • Ovulation

  • Pregnancy

    Draw a timeline of events in the average menstrual cycle.

  • Label it with:

  • iThe correct number of days

  • iiWhen ovulation starts and ends

  • iiiWhen menstruation starts and ends


Keywords

Keywords

Research and explain the following terms, including information on where they are produced and their function;

  • FSH

  • LH

  • OESTROGEN

  • PROGESTERONE


Task grade b

Task (Grade B)

  • Research how hormones (FSH, LH, oestrogen and progesterone) control the menstrual cycle.

  • Explain that the role of the pituitary gland and the ovary.

  • Link any physical changes to hormonal changes and stages in the menstrual cycle.

  • Produce a summary document/slide showing a labelled diagram on the menstrual cycle.


Task grade c a

Task (Grade C-A*)

  • Outline, briefly, the different fertility treatments that are currently available (C)

  • As a group summarise the advantages and disadvantages of two of the treatments on the following slide (A)

  • Summarise the ethical issues surrounding foetal screening (A*)


Infertility treatments

Infertility Treatments

Artificial insemination

  • Possibility of blocked oviducts

  • Sperm donated

  • Sperm placed in oviducts

    Injections of FSH

  • The ovaries may not release eggs

  • FSH is a hormone

  • This follicle stimulating hormone is injected into a woman

    IVF

  • Various causes

  • An expensive treatment

  • The world’s first baby produced from IVF was Louise Brown

  • Egg and sperm are fertilised outside the body and then replaced into the uterus

    Surrogacy

  • A fertilised egg is put into a surrogate woman who is then pregnant

  • At birth the baby is given to the infertile woman

    Ovary transplants

  • The first successful ovary transplant was carried out in 2004

  • The transplant used the woman’s own ovary tissue taken before she had treatment for cancer

    Egg donation

  • Ovaries stop producing eggs at an early stage

  • Eggs are donated from another woman, fertilised by sperm and then placed into the uterus


Plenary

PLENARY


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